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https://issues.apache.org/jira/browse/KAFKA-4540?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Damian Guy updated KAFKA-4540:
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Status: Patch Available (was: Open)
> Suspended tasks that are not assigned to the StreamThread need to be closed
> before new active and standby tasks are created
> ---------------------------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-4540
> URL: https://issues.apache.org/jira/browse/KAFKA-4540
> Project: Kafka
> Issue Type: Bug
> Components: streams
> Affects Versions: 0.10.2.0
> Reporter: Damian Guy
> Assignee: Damian Guy
> Fix For: 0.10.2.0
>
>
> When partition assignment happens we first try and add the active tasks and
> then add the standby tasks. The problem with this is that a new active task
> might already be an existing suspended standby task. if this is the case then
> when the active task initialises it will throw an exception from RocksDB:
> {{Caused by: org.rocksdb.RocksDBException: IO error: lock
> /tmp/kafka-streams-7071/kafka-music-charts/1_1/rocksdb/all-songs/LOCK: No
> locks available}}
> We need to make sure we have removed an closed any no-longer assigned
> Suspended tasks before creating new tasks.
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